12 Adding and subtracting mixed numbers(带分数加减运算) 32:40 28 13 Quiz 4 (测试4) 07:28 29 14 Multiplying unit fractions and whole numbers(整数X单位分数) 10:45 30 15 Multiplying whole numbers and fractions(整数X分数) 20:50 31 16 Multiplying whole numbers and fractions word ...
You will notice that the steps in adding and subtracting mixed numbers are similar. But also note the differences and the reminders given in this section. To add mixed numbers, the same rule as in adding fractions applies (find the LCD), but make sure that you always add thewhole numbers...
Subtract the fractions. Subtract the whole numbers. Simplify, if possible. Subtract mixed numbers with common denominators: Method 2. Rewrite the mixed numbers as improper fractions. Subtract the numerators. Rewrite the answer as a mixed number. Simplify the fraction part, if possible. Ad...
AU from the Sun.1.Jupiter is 5 2/5 AU from the Sun and Saturn's distance is 9 1/2 AU.52 Write an expression to find how much closer to the Sun Jupiter is than Saturn.2.Find the difference of the fractional parts of the mixed numbers.3.Find the difference of the whole numbers....
The LCM of 4 and 8 is 8. We will change 34 to 68 -- by multiplying both terms by 2:We added 6 + 3 = 9. 68 + 58 = 11 8 = 1 38 .9 + 1 38 = 10 38 .At this point, please "turn" the page and do some Problems.orContinue on to Section 2: Subtracting mixed numbers...
The steps for subtracting mixed numbers is very similar to the steps for adding mixed numbers. However, before you work with the whole number and fraction, you should get common denominators and make sure that you do not need to borrow. We will look at this example where you do not need...
Adding and Subtracting Whole Numbers Section 1.2 Objectives • Find the sum of two or more whole numbers • Find the difference of two whole numbers • Estimate the sum or difference of whole numbers • Find the perimeter of a polygon Objective 1: Find the sum of two or more whole ...
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And add: 29 8 + 14 8 = 43 8 = 5 3 8 Subtracting Mixed FractionsJust follow the same method, but subtract instead of add:Example: What is 15 3 4 − 8 5 6 ? Convert to Improper Fractions: 15 3 4 = 63 4 8 5 6 = 53 6 Common denominator of 12: 63 4 becomes 189 12 ...
When adding and subtracting rational numbers in fractional form, the denominators of the rational numbers must be identical. Find the least common denominator (LCD) of the fractions, convert each fraction to an equivalent form using the LCD, then add or subtract the numerators as normal, retainin...